What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

3 Answers  

---

Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA ?

2 Answers  

---

why do we lay up the core of a cable?

0 Answers  

---

1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

---

which bridge is used to measure frequency?

2 Answers  

---

what is our body resistance value?

11 Answers   Bhel,

---

When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?

1 Answers  

---

working principle of AC Servo Motor with its construction

0 Answers   TATA,

---

In iduction motors the current is higher than normal for both the cases when the voltage appllied is more than the rated as well as less than the rated, why?

2 Answers  

---

what happened if power factor is "1"

9 Answers   Reliance,

---

what will happen if transformer given dc input

5 Answers  

---

why d.c motor speed decress with increass in load?

1 Answers  

---